Plant phenotype and interspecific competition between insects determine sawfly performance and density

S. Mopper, Thomas G Whitham, P. W. Price

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Tested the effects of pinyon pine Pinus edulis phenotype and competitive interactions on the colonization success, mortality fecundity, and sex ratios of a foliage-feeding sawfly, Neodiprion edulicolis. Sawfly survival was significantly higher on susceptible trees than on resistant trees, but fecundity was significantly lower on susceptible trees. Interactions with a stem moth, Dioryctria albovitella, caused significantly reduced sawfly fecundity on susceptible trees. Sawfly mortality, rather than sawfly fecundity, was the dominant factor influencing population growth rates. -from Authors

Original languageEnglish (US)
Pages (from-to)2135-2144
Number of pages10
JournalEcology
Volume71
Issue number6
StatePublished - 1990

Fingerprint

sawflies
interspecific competition
fecundity
phenotype
insect
insects
Neodiprion
Dioryctria
mortality
Pinus edulis
moth
foliage
sex ratio
population growth
colonization
stem
moths
Pinus
stems
leaves

ASJC Scopus subject areas

  • Ecology

Cite this

Plant phenotype and interspecific competition between insects determine sawfly performance and density. / Mopper, S.; Whitham, Thomas G; Price, P. W.

In: Ecology, Vol. 71, No. 6, 1990, p. 2135-2144.

Research output: Contribution to journalArticle

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